UTS6710/drivers/hdmi/533/debounce.c

#include "drv_types.h"
#include "debounce.h"

static void debounce_timer_function(void *arg)
{
	DEBOUNCE *db = (DEBOUNCE*)arg;
	db->notice(db->param);
}

void debounce_init(DEBOUNCE *db, DEBOUNCE_FUNCTION notice)
{
	init_timer(&db->tm);
	db->notice = notice;
	db->param = NULL;
}

void debounce_exit(DEBOUNCE *db)
{
	del_timer(&db->tm);
}

void debounce_notice(DEBOUNCE *db, void *param, UINT32 dDelay_ms)
{
	del_timer(&db->tm);
	db->tm.expires = jiffies + ((HZ / 1000) * (dDelay_ms + 1));
	db->tm.data = (UINT32)db;
	db->tm.function = (void (*)(ULONG))debounce_timer_function;
	db->param = param;
	add_timer(&db->tm);
}